Indoor Air Quality Tax Credit: Is It Still Available in 2026?
If you’re researching the 2022 Small Business Air Quality Improvement Tax Credit, here’s the important update: that federal credit expired at the end of 2022 and is no longer available for current expenses. But that’s not the end of the story, there’s a genuinely active program in 2026 that can still help offset the cost of upgrading your commercial HVAC system, and it’s worth understanding before you invest.
Curious if your business qualifies for current incentives?
What Happened to the 2022 Tax Credit?
A Temporary, Now-Closed Program
The Small Business Air Quality Improvement Tax Credit was a real federal program, offering a 25% refundable credit on eligible HVAC and HEPA filtration expenses. But it was always designed as temporary, limited specifically to expenses incurred between September 1, 2021 and December 31, 2022. If you’re reading about this credit today, it’s worth knowing upfront that it can’t be claimed for anything purchased or installed now.
Why This Matters
Some older articles and guides, including one that used to live at this exact URL, still describe this credit as if it’s currently available. If you’re planning HVAC spending based on that assumption, it’s worth stopping and checking current programs instead, which is exactly what this update covers.
What’s Actually Available in 2026
Enbridge Gas Commercial Incentive Programs
As of 2026, Enbridge Gas is running active commercial energy efficiency incentive programs for Ontario businesses, covering equipment upgrades including HVAC systems. Depending on the specific program, incentives are available between January 1 and December 31, 2026 (with some project types requiring completion by October 31, 2026), and can cover a meaningful portion of your upgrade costs.
How Much You Can Actually Get
The Prescriptive Incentive Program pays per-unit rebates for qualifying equipment, capped at 50% of your project cost and $100,000 per project. The Commercial Custom Retrofit Program works differently — it calculates incentives based on actual natural gas savings, and can cover up to 75% of your energy efficiency upgrade costs, also capped at $100,000 per project. Which program fits your business depends on the scope of the upgrade, which your Enbridge Energy Solutions Advisor can confirm.
Who Qualifies
These programs are available to Enbridge Gas commercial, industrial, and multi-residential customers in Ontario with an account in good standing. Project eligibility needs to be confirmed with an Enbridge Energy Solutions Advisor before you proceed, since pre-approval is generally required to lock in the incentive.
Steps to Actually Pursue This
Step 1: Confirm Your System’s Current Condition
Before applying for any incentive, you need an accurate picture of your current HVAC system’s condition and performance. A professional assessment tells you whether you’re dealing with a system that needs replacement, or one that would benefit more from thorough cleaning and maintenance first.
Step 2: Talk to an Enbridge Energy Solutions Advisor
Since pre-approval matters for these programs, reach out to Enbridge directly (or have your HVAC contractor coordinate this) before making any purchase, so the incentive isn’t jeopardized by proceeding without prior confirmation.
Step 3: Keep Every Piece of Documentation
Proof of purchase matched to your installation address, invoices, and any technical documentation are all required to actually receive payment. Keep copies of everything in a dedicated file from day one of the project.
Step 4: Loop In Your Accountant Regardless
Even without the old federal credit, there may be other provincial or municipal programs, or standard business expense treatment, worth discussing with your accountant for your specific situation. This is general information, not tax advice, and your accountant can confirm exactly how any credit or rebate applies to your business’s tax filing.
Where Vacu-Man Fits Into This
Keeping Your System in Compliant, Documented Condition
Regardless of which incentive program applies to your business, a properly maintained HVAC system matters both for your indoor air quality and for demonstrating the baseline condition auditors or program administrators may ask about. Vacu-Man’s commercial duct and furnace cleaning services keep your system running as it should, with documentation of the work performed for your records.
We’re Not Your Tax Advisor, But We Know HVAC
We can’t file your incentive application for you, but we can make sure the HVAC side of the equation, cleanliness, performance, and documented maintenance, is handled properly, which supports whatever program you end up pursuing. For a deeper look at why commercial duct cleaning specifically matters for your building, see our full breakdown here.
Is Commercial Duct or HVAC Cleaning Tax Deductible?
Generally, yes. Routine commercial duct and HVAC cleaning is typically treated as a normal, deductible business operating expense, separate from any special credit or incentive program. Unlike the expired tax credit or the Enbridge incentive above, both of which are tied to equipment upgrades, ongoing maintenance like duct cleaning is usually just a current expense.
Serving Hamilton, Burlington, Milton, Brantford & the Surrounding Region
Vacu-Man supports commercial clients across Hamilton, Burlington, Milton, Brantford, Oakville, Grimsby, St. Catharines, and Niagara with furnace, duct, and HVAC cleaning services that keep your system running efficiently, whether or not you’re pursuing a specific incentive program.
FAQ
Is the 2022 Small Business Air Quality Improvement Tax Credit still available?
No. It was a temporary federal credit limited to expenses incurred between September 1, 2021 and December 31, 2022, and it cannot be claimed for current expenses.
Is there a current HVAC incentive program for Ontario businesses?
Yes. Enbridge Gas runs active commercial energy efficiency incentive programs in 2026, covering HVAC upgrades with incentives up to 50% of project costs, capped at $100,000 per project depending on the program.
Do I need pre-approval before purchasing new HVAC equipment for an incentive?
Generally yes. Most Enbridge Gas commercial incentive programs require project eligibility to be confirmed by an Energy Solutions Advisor before proceeding, to ensure the incentive isn’t forfeited.
Can Vacu-Man help me apply for these incentives directly?
Vacu-Man isn’t a tax or incentive application service, but we ensure your HVAC system’s cleaning and maintenance is properly documented, which supports whatever program you’re pursuing. Speak with an Enbridge Energy Solutions Advisor or your accountant for the application itself.
Should I consult an accountant before pursuing an HVAC incentive?
Yes. This article provides general information, not tax advice, and an accountant can confirm exactly how any current credit, rebate, or incentive applies to your specific business situation.
Is commercial duct or HVAC cleaning tax deductible as a business expense?
Generally, yes. Routine duct and HVAC cleaning is typically treated as a normal deductible business expense, separate from special incentive programs, which apply specifically to equipment upgrades. Confirm the exact treatment with your accountant based on your business structure.
Summary
The 2022 federal Small Business Air Quality Improvement Tax Credit has expired and can no longer be claimed, but that doesn’t mean there’s no financial support available for commercial HVAC upgrades in Ontario. Enbridge Gas’s active 2026 incentive programs can offset a meaningful share of eligible project costs, provided you get pre-approval and keep proper documentation throughout. Vacu-Man supports Hamilton, Burlington, Milton, Brantford, and the surrounding region with the commercial furnace and duct cleaning that keeps your system running efficiently, whatever incentive path you pursue.
If you have questions about your HVAC system’s condition or need commercial cleaning services, contact Vacu-Man today.